474649-93-9Relevant articles and documents
Diaminopyrazole compounds and the use thereof in the oxidation dyeing of keratinous fibres
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, (2008/06/13)
The invention relates to novel diaminopyrazole having formula (I), wherein: R1, R2, identical or different, represent a C3 C5 mono- or polyhydroxyalkyl, isopropyl, n-propyl or ethyl group, said groups being linear or branched, and their physiologically acceptable salts. The invention also relates to a composition for dyeing keratinous fibres containing a compound having formula (I) and the method for using same. 1